CVE-2022-3626 — LibTIFF 4
LibTIFF 4.4.0 has an out-of-bounds write in _TIFFmemset in libtiff/tif_unix.c:340 when called from processCropSelections, tools/tiffcrop.c:7619, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is availa
Published
2022-10-21T00:00:00.000Z
Last modified
2025-05-07T15:07:46.052Z
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
01What is this vulnerability?
LibTIFF 4.4.0 has an out-of-bounds write in _TIFFmemset in libtiff/tif_unix.c:340 when called from processCropSelections, tools/tiffcrop.c:7619, allowing attackers to cause a denial-of-service via a crafted tiff file. For users that compile libtiff from sources, the fix is available with commit 236b7191.
02Affected products
| Vendor | Product | Versions |
|---|
| libtiff | libtiff | <=4.4.0 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2022-10-21T00:00:00.000Z
- Last modified: 2025-05-07T15:07:46.052Z
09References
- gitlab.com — https://gitlab.com/libtiff/libtiff/-/issues/426
- gitlab.com — https://gitlab.com/libtiff/libtiff/-/commit/236b7191f04c60d09ee836ae13b50f812c84…
- gitlab.com — https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3626.json
- security.netapp.com — https://security.netapp.com/advisory/ntap-20230110-0001/
- lists.debian.org — https://lists.debian.org/debian-lts-announce/2023/01/msg00018.html
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